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Finding the Fourth Proportional to 8,316,093.30, 12,474,139.96 and 8,316,093.30

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Solution

The fourth proportional to 8,316,093.30, 12,474,139.96 and 8,316,093.30 is: 12,474,139.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316,093.30 : 12,474,139.96 = 8,316,093.30 : x
  2. Step 2: Convert to fraction form
    8,316,093.30/12,474,139.96 = 8,316,093.30/x
  3. Step 3: Cross multiply
    8,316,093.30x = 12,474,139.96 × 8,316,093.30
  4. Step 4: Simplify right side
    8,316,093.30x = 103,736,111,744,618.27
  5. Step 5: Solve for x
    x = 103,736,111,744,618.27/8,316,093.30
  6. Step 6: Final answer
    x = 12,474,139.96

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.